Wherever my travels may lead, paradise is where I am.

We have our arts, the ancients had theirs... We cannot raise obelisks a hundred feet high in a single piece, but our meridians are more exact.

Constant happiness is the philosopher's stone of the soul.

Men appear to prefer ruining one another's fortunes, and cutting each other's throats about a few paltry villages, to extending the grand means of human happiness.

Doubt is not a very agreeable status, but certainty is a ridiculous one.

Theology is to religion what poisons are to food.

If you are attacked as regards your style, never reply; it is for your work alone to make answer.